UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 99

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

* This 4-bit data is ignored.
SP SP + 3
SP + 2
SP + 1
SP
RET Instruction
–*
SP SP + 1
SP SP + 2
PC15-PC8
PC7-PC0
Stack
SP
SP + 1
SP + 1
SP
PC19-
PC16
POP PSW Instruction
PSWH
PSWH
POP sfr Instruction
Figure 3-11 Data Restored from Stack Area
SP SP + 4
7
4
Stack
Stack
PSWL
-
CHAPTER 3 CPU ARCHITECTURE
SP + 3
SP + 2
SP + 1
SP
–*
RETI, RETB Instruction
PSWH
PSWH
PC15-PC8
SP SP + 2
PC7-PC0
SP SP + 3
7
4
PSWL
Stack
-
SP + 1
SP
SP
SP + 2
SP + 1
PC19-
PC16
POP sfrp Instruction
POP rg Instruction
Middle-Order Byte
High-Order Byte
High-Order Byte
Low-Order Byte
Low-Order Byte
SP SP + 6
Stack
Stack
SP + 5
SP + 4
SP + 3
SP + 2
SP + 1
SP
POP post, POPU post Instruction
(In case of POP AX, RP2, RP3)
Stack
R7
R6
R5
R4
A
X
RP3
RP2
AX
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